013 2. “I learned from a Russian researcher...”-- Author’s interview with Vassili Sonkine 3. “When I had been investigating...”—Edward Jay Epstein, Annals of Unsolved Crime, op.cit, pp. 209-240 4. “I don’t know him...”—Author’s interview with Andrei Lugovoi 5. “It was a rare...”— The vast majority of the 15 Americans d